 Due to losses sustained in Passchendaele campaign in 1917, the 6th Battalion would be amalgamated with the Wiltshire Yeomanry to form the 6th (Royal Wiltshire Yeomanry) battalion on 9 September 1917.Eventually, the battalion would be reduced to cadre strength.The excess personnel would be used as replacements for the 2nd Battalion which assumed its place in the 58th Brigade.